Chains and heterogens:
PDB Chain Sequences:
>1k2pA (A:) idpkdltflkelgtgqfgvvkygkwrgqydvaikmikegsmsedefieeakvmmnlshek lvqlygvctkqrpifiiteymangcllnylremrhrfqtqqllemckdvceameyleskq flhrdlaarnclvndqgvvkvsdfglsryvlddeytssvgskfpvrwsppevlmyskfss ksdiwafgvlmweiyslgkmpyerftnsetaehiaqglrlyrphlasekvytimyscwhe kaderptfkillsnildvmdees
>1k2pA (A:) idpkdltflkelgtgqfgvvkygkwrgqydvaikmikegsmsedefieeakvmmnlshek lvqlygvctkqrpifiiteymangcllnylremrhrfqtqqllemckdvceameyleskq flhrdlaarnclvndqgvvkvsdfglsryvlddeytssvgskfpvrwsppevlmyskfss ksdiwafgvlmweiyslgkmpyerftnsetaehiaqglrlyrphlasekvytimyscwhe kaderptfkillsnildv
>1k2pB (B:) idpkdltflkelgtgqfgvvkygkwrgqydvaikmikegsmsedefieeakvmmnlshek lvqlygvctkqrpifiiteymangcllnylremrhrfqtqqllemckdvceameyleskq flhrdlaarnclvndqgvvkvsdfglsryvlddeytssvgskfpvrwsppevlmyskfss ksdiwafgvlmweiyslgkmpyerftnsetaehiaqglrlyrphlasekvytimyscwhe kaderptfkillsnildvmdees
>1k2pB (B:) idpkdltflkelgtgqfgvvkygkwrgqydvaikmikegsmsedefieeakvmmnlshek lvqlygvctkqrpifiiteymangcllnylremrhrfqtqqllemckdvceameyleskq flhrdlaarnclvndqgvvkvsdfglsryvlddeytssvgskfpvrwsppevlmyskfss ksdiwafgvlmweiyslgkmpyerftnsetaehiaqglrlyrphlasekvytimyscwhe kaderptfkillsnildv